若a、b、c為三個不為0的數,則下列何者正確?
連比例式

Quiz
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Mathematics
•
9th Grade
•
Medium
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10 questions
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1.
MULTIPLE CHOICE QUESTION
1 min • 10 pts
a:b:c=(a+m):(b+m):(c+m)
a:b:c=(a-m):(b-m):(c-m)
a:b:c=(a×m):(b×m):(c×m) (m≠0)
a:b:c=(m÷a):(m÷b):(m÷c)
2.
FILL IN THE BLANK QUESTION
1 min • 10 pts
設x:y=4:3,y:z=2:5,則x:y:z=
3.
FILL IN THE BLANK QUESTION
1 min • 10 pts
設x:y=2:7,y:z=2:1
4.
FILL IN THE BLANK QUESTION
1 min • 10 pts
設x:y=6:5,x:z=3:1,則x:y:z
5.
MULTIPLE CHOICE QUESTION
1 min • 10 pts
已知x、y、z皆不為0,且3x=2y,求x:y
3:2
2:3
1:2
2:1
6.
MULTIPLE CHOICE QUESTION
1 min • 10 pts
已知a、b、c皆不為0,且5a=3b,求a:b?
10:6
6:12
3:5
5:3
7.
MULTIPLE CHOICE QUESTION
1 min • 10 pts
設 7:x:y=6:3:1,求x?
7
3
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